Here is the full list of all 52 Starpoint Gemini 2 achievements.
Visit all Gemini planets
Stay cloaked and undetected for 5 minutes
Explore the entire Gemini system
Mine 500 asteroids
Destroy 100 asteroids by colliding with them
Take 5 times the amount of your hull integrity in damage during a single battle
Buy a shipment of meat and Hogwash and then fly into the suns till your ship almost pops
Destroy an enemy after your ships is destroyed
Win a battle with less than 5% hull points remaining
Provoke non-hostile ships 10 times
Explode in a collision with an asteroid
Get destroyed while cloaked
Gather all artefacts
Travel via Power to Engines for at least 10 minutes
Purchase 15 different ships
Do 20 successful smuggling runs on planets
Kill all heroes
Launch at least 20 missiles in a single battle
Control 2 mercenary ships and 3 fighter squadrons at the same time
Finish the storyline
Destroy 15 veterans
Destroy a station
Operate a massive carrier
Deal 500000 damage points with plasma cannons
Destroy 10 Empire Ships
Destroy an enemy using only one turret
Deal 500000 damage points with railguns
Successfully raid an Off-world Prison with your Troops
Read all tutorials
Exceed the maximum engine speed
Destroy an enemy by colliding with them
Deal 500000 damage points with beam weapons
Deal 50 critical hits
Use T-Drive
Enhance all ship systems on a single ship
Accumulate 10 million Credits
Win a battle against 3 or more enemies without attacking them
Destroy 100 ships
Destroy an enemy without locking on it
Destroy 3 ships within an interval of 15 seconds
Destroy an enemy using only heavy weapons
Collide with a planet
Capture a ship
Solve 20 freelance missions
Destroy an enemy with full shields and hull in less than 3 seconds
Jump through a wormhole
Destroy an enemy with a turret while facing away from it
Destroy a freightliner
Destroy an enemy while he's charging Power to Engines
Destroy an enemy that destroyed one of your wingmen within a 5 second interval
Save an ally with 10% or less health by destroying his attacker
Loot a derelict